Tool for cleaning the inner surface of a tube



FIG. 1 is a perspective view of a tool for cleaning the inner surface of a tube showing my new design.

FIG. 2 is a right-side elevational view thereof. The left-side elevational view, the top plan view and the bottom plan view being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a side elevational view showing the tool inserted into an electric drill. The drill is shown in broken lines for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tool for cleaning the inner surface of a tube, as shown and described. 